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Embarrassing Body Problem No. 3: Excessive Sweating continued...

A by-product of stress hormones such as cortisol, epinephrine, and norepinephrine, Siegel says nervous sweating is a reflection of sympathetic nerve discharge -- a manifestation of the fight-or-flight response that kicks in when we're anxious.

The way to prevent it, he says, is to condition ourselves ahead of time for facing stressful situations. "It's a matter of brain retraining. Gradually expose yourself to the nervous situation, and eventually your body won't respond as if you're in danger."

An easier way to prevent excessive sweating is simply to try an antiperspirant deodorant, Siegel says.

Avoiding coffee, tea, chocolate, or any food high in caffeine, as well as any hot, spicy foods can also help, Daguilh says.

"They increase heart rate and respiration, which can also increase sweating, so avoid them if you know you will be facing a stressful situation."

One more cool tip: Keep a glass of ice water handy, and if possible hold it against your wrists to help control sweating, Sadock tells WebMD.

"It's also perfectly OK to carry a hankie and dab the perspiration from your face, or wipe your hands," she says.

Embarrassing Body Problem No. 4: Cotton Mouth and Yawning

You've connected online with the one who could be your soul mate, and now you're really looking forward to a meeting in person. But by the time you arrive at the restaurant or coffee shop you can feel the dryness growing in your mouth. In fact, it's so dry you can hardly speak.

Or maybe you've been waiting all year for your boss to ask you to lunch, but right in the middle of the boss's reminiscences about college fraternity days, you start yawning ... and you can't stop.

While the two problems aren't related, experts say they often occur for similar reasons.

"Yawning happens when you're tired, but it also occurs when you're nervous or anxious and you breathe too shallow," says Siegel.

Similarly, shallow mouth breathing and the release of stress hormones combine to slow down saliva production, causing that sticky, uncomfortable "cotton mouth" sensation, he says.

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